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A clear 77mm glass filter with a subtle warm tint in a thin metal ring

Tiffen

Tiffen 77mm 85C Daylight-Tungsten Conversion Filter

SKU CH-07NQ-F5WW7

Converts 5500 K daylight to 3800 K tungsten with a 2/3 stop exposure increase

  • Converts 5500 K daylight to 3800 K tungsten
  • High-quality optical glass preserves image sharpness
  • Single coating reduces reflections and protects surface
  • 77 mm thread fits compatible lenses directly
  • 2/3 stop exposure increase for proper metering

77mm 85C Conversion Filter

The Tiffen 77mm 85C filter converts daylight to tungsten colour balance for photographers using tungsten-balanced film or sensors in natural light. It fits lenses with a 77mm filter thread and provides a 2/3 stop exposure increase.

Thermals Noise Power

As a passive glass filter, it generates no heat, draws no power and produces no noise during use. The single-coated optical glass maintains minimal light loss and resists reflections without active cooling.

Single-Coated Glass Benefit

The single coating reduces surface reflections and protects the glass against scratches in varied shooting conditions. It enables accurate colour conversion from 5500 K to 3800 K while preserving image sharpness.

Highlights

  • Converts 5500 K daylight to 3800 K tungsten
  • High-quality optical glass preserves image sharpness
  • Single coating reduces reflections and protects surface
  • 77 mm thread fits compatible lenses directly
  • 2/3 stop exposure increase for proper metering

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 77mm 85C filter and what step do people often miss?

Screw the filter onto the 77mm front thread of your lens until snug; the step people miss is removing any existing UV or protective filter first to avoid vignetting and stacking reflections.

What maintenance or replacement will the 85C filter need over time?

Clean the single-coated glass with a microfibre cloth and lens fluid when smudged; replace the filter if the coating shows scratches, haze or peeling that cannot be cleaned away.

What limit appears first when using the 85C filter continuously in bright conditions?

The 2/3-stop exposure reduction becomes the limiting factor first, forcing wider apertures, slower shutter speeds or higher ISO to maintain brightness.

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